PUTRA, TITHO YANATA (2024) ANALISIS LAJU KOROSI PADA BODY BIS SEKOLAH DI LINGKUNGAN ATMOSFER MENGGUNAKAN METODA WEIGHT LOSS. S1 thesis, Universitas Mercu Buana Jakarta.
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Abstract
ABSTRACT Corrosion is a decrease in the quality of metal due to chemical reactions with the environment that threatens the integrity and safety of school buses, especially due to factors such as humidity, rain and urban air. The problem of atmospheric corrosion is serious for vehicles, especially in urban environments such as Jakarta where the air is polluted by industrial fumes and coal-fired power plants. This research focuses on the corrosion rate of school bus bodies in the atmospheric environment of West Jakarta in order to select appropriate materials and corrosion protection for school bus bodies to reduce risks and ensure passenger safety. The aim of this research is to analyze the rate of corrosion on school bus bodies. The research was carried out using the weight loss method on SPHC samples measuring 25 mm x 15 mm x 1 mm for 7, 14 and 21 days. Data collection was carried out using the weight loss method and refers to ASTM G-1. SPHC samples are divided into three categories: without protective coating, with galvanized coating, and paint coating. The research results showed that the average SPHC corrosion rate with a testing time of 168 hours was 7,93 x 10-4 mg/cm2/hour (without coating), 1,58 x 10-4 mg/cm2/hour (galvanized), 1,58 x 10-4 mg/cm2/hour (paint) while the average corrosion rate on SPHC with a testing time of 504 hours is 1,81 x 10-3 mg/cm2/hour (without Coating), 2,64 x 10-4 mg/cm2/hour (galvanized) and 2,12 x 10-4 mg/cm2/hour (paint). These results show that the SPHC corrosion rate is still relatively good and also the effectiveness of the coating used has succeeded in slowing down the corrosion rate. ABSTRAK Korosi adalah penurunan kualitas logam akibat reaksi kimia dengan lingkungan yang mengancam integritas dan keamanan bus sekolah, terutama karena faktor seperti kelembapan, air hujan dan udara perkotaan. Korosi atmosfer menjadi masalah serius bagi kendaraan, terutama di lingkungan perkotaan seperti Jakarta dengan udara yang tercemar oleh asap industri dan pembangkit listrik tenaga batu bara. Penelitian ini memfokuskan pada laju korosi bodi bis sekolah di lingkungan atmosfer Jakarta Barat supaya dapat melakukan pemilihan material dan perlindungan korosi yang tepat untuk bodi bis sekolah guna mengurangi resiko dan memastikan keselamatan penumpang. Tujuan dari penelitian ini adalah menganalisis laju korosi pada bodi bis sekolah. Penelitian dilakukan menggunakan metode kehilangan berat pada sampel SPHC dengan ukuran 25 mm x 15 mm x 1 mm selama 7, 14 dan 21 hari. Data dikumpulkan dengan metode kehilangan berat dan mengacu pada ASTM G-1. Sampel SPHC dibagi menjadi tiga kategori: tanpa lapisan pelindung, dengan lapisan galvanis, dan lapisan cat. Hasil penelitian menunjukkan bahwa rata-rata laju korosi SPHC demgan waktu pengujian 168 jam adalah 7,93 x 10-4 mg/cm2/jam (Tanpa Pelapisan), 1,58 x 10-4 mg/cm2/jam (Galvanis), 1,58 x 10-4 mg/cm2/jam (Cat) sedangkan rata-rata laju korosi pada SPHC dengan waktu pengujian 504 jam adalah 1,81 x 10-3 mg/cm2/jam (Tanpa Pelapisan), 2,64 x 10-4 mg/cm2/jam (Galvanis) dan 2,12 x 10-4 mg/cm2/jam (Cat). Hasil ini menujukkan bahwa laju korosi SPHC masih tergolong baik dan juga efektivitas dari lapisan yang digunakan berhasil memperlambat laju korosi.
| Item Type: | Thesis (S1) |
|---|---|
| Call Number CD: | FT/MSN. 24 136 |
| NIM/NIDN Creators: | 41320010035 |
| Uncontrolled Keywords: | korosi atmosferik, korosi galvanis, laju korosi, metode kehilangan berat, baja SPHC. |
| Subjects: | 600 Technology/Teknologi > 620 Engineering and Applied Operations/Ilmu Teknik dan operasi Terapan > 624 Civil Engineering/Teknik Sipil 700 Arts/Seni, Seni Rupa, Kesenian > 720 Architecture/Arsitektur > 720.1-720.9 Standard Subdivisions of Architecture/Subdivisi Standar dari Arsitektur > 720.4 Special Topics of Architecture/Topik-topik Khusus Arsitektur > 720.47 Architecture and the Enviroment/Arsitektur dan Lingkungan |
| Divisions: | Fakultas Teknik > Teknik Mesin |
| Depositing User: | AFIFAH SALMA RAMADINA |
| Date Deposited: | 01 Oct 2024 05:05 |
| Last Modified: | 01 Oct 2024 05:05 |
| URI: | http://repository.mercubuana.ac.id/id/eprint/91986 |
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